Lateral arm support device



FIG. 1 is a front, right perspective view of a lateral arm support device;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a left side elevation view thereof.

The broken lines in the drawings depict portions of the lateral arm support device that form no part of the claimed design. 

CLAIM The ornamental design for a lateral arm support device, as shown and described. 